NeutralDSelector Class Reference

#include <NeutralDSelector.h>

Inheritance diagram for NeutralDSelector:

Public Member Functions
	NeutralDSelector (const std::string &type, const std::string &name, const IInterface *parent)
void	setebeam (double ebeam)
void	setbeta (Hep3Vector beta)
bool	operator() (CDDecay &theD)

Detailed Description

Definition at line 6 of file NeutralDSelector.h.

Constructor & Destructor Documentation

NeutralDSelector()

NeutralDSelector::NeutralDSelector	(	const std::string &	type,
		const std::string &	name,
		const IInterface *	parent )

Definition at line 7 of file NeutralDSelector.cxx.

    : base_class( type, name, parent ) {
  declareProperty( "UseMbcCuts", m_useMbcCuts = true );
  declareProperty( "UseDeltaECuts", m_useDeltaECuts = true );
  declareProperty( "UseDeltaMassCuts", m_useDeltaMassCuts = false );
 
  declareProperty( "DMbcMinCut", m_minMbc = 1.83 );
  declareProperty( "DMbcMaxCut", m_maxMbc = 10.0 );
  declareProperty( "DDeltaEMinCut", m_minDeltaE = -0.1 );
  declareProperty( "DDeltaEMaxCut", m_maxDeltaE = +0.1 );
  declareProperty( "DDeltaMassMinCut", m_minDeltaMass = -0.085 );
  declareProperty( "DDeltaMassMaxCut", m_maxDeltaMass = +0.085 );
}

Referenced by NeutralDSelector().

Member Function Documentation

operator()()

bool NeutralDSelector::operator()

(

CDDecay &

theD

)

Calculating mbc and deltaE

Calculating invariant mass difference

Definition at line 22 of file NeutralDSelector.cxx.

                                                 {
 
  /// Calculating mbc and deltaE
  HepLorentzVector p4( theD.momentum(), theD.energy() );
  p4.boost( -m_beta );
  double mbc2   = m_ebeam * m_ebeam - p4.v().mag2();
  double mbc    = mbc2 > 0 ? sqrt( mbc2 ) : -10;
  double deltaE = p4.t() - m_ebeam;
 
  if ( m_useMbcCuts && ( ( mbc <= m_minMbc ) || ( mbc >= m_maxMbc ) ) ) return false;
  if ( m_useDeltaECuts && ( ( deltaE <= m_minDeltaE ) || ( deltaE >= m_maxDeltaE ) ) )
    return false;
 
  /// Calculating invariant mass difference
  double neutralDMass = 1.8648;
  double deltaMass    = theD.mass() - neutralDMass;
 
  if ( m_useDeltaMassCuts &&
       ( ( deltaMass <= m_minDeltaMass ) || ( deltaMass >= m_maxDeltaMass ) ) )
    return false;
 
  return true;
}

setbeta()

void NeutralDSelector::setbeta ( Hep3Vector beta )

inline

Definition at line 12 of file NeutralDSelector.h.

{ m_beta = beta; }

setebeam()

void NeutralDSelector::setebeam ( double ebeam )

inline

Definition at line 11 of file NeutralDSelector.h.

{ m_ebeam = ebeam; }

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The documentation for this class was generated from the following files:

• NeutralDSelector.h
• NeutralDSelector.cxx